Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of an image of a display screen or portion thereof with graphical user interface; and,

FIG. 2 is a perspective view of an image of a display screen or portion thereof with graphical user interface. ps The broken line showing of an electronic device and display screen illustrate environmental structure and the article of manufacture, respectively. The broken line showing of a person in FIG. 2 illustrates environment. None of the broken lines form part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 